Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8156957 | System for accurately weighing solids and control mechanism for same A system, including a closed chamber (20) having a gas inlet (22) and a gas outlet (24) is shown and described. An inert gas supply under positive pressure is connected to the gas inlet, and a bubbler is connected to the gas outlet. The bubbler ... | 04/17/2012 |
| 8141577 | Liquid filled pressure/vacuum valve for petroleum underground storage tanks A liquid filled pressure/vacuum valve for underground storage tanks has a body having an inlet coupled to the UST and an outlet coupled to atmosphere. The valve has a suction zone disposed in the body and fluidly coupled to the inlet. The valve has a pressure zone d... | 03/27/2012 |
| 7543601 | Passive pressure activation valve A valve apparatus includes a housing, which defines an interior chamber, a baffle disposed in the interior chamber, and a volume of liquid. The housing includes first, second and third portions. The first portion includes first and second ports that communicate with... | 06/09/2009 |
| 7302964 | Housing for a liquid seal vacuum and pressure relief valve apparatus A housing and a method of using a liquid for controlling vapor flow through a valve apparatus between a canister and atmospheric conditions. The housing includes a container and a first partition that projects from the housing into the liquid and divides the vapor c... | 12/04/2007 |
| 7163113 | Vent disc with center knob A member that positions a vent disc in an end of a container is provided. The member has at least one projection extending from the vent disc virtually solely for positioning the vent disc in its secured position in the end of a container. The at least one projectio... | 01/16/2007 |
| 7044327 | System and method for tank pressure compensation A supplemental fluid tank, preferably having two chambers each partially containing a fluid, fluid communicated intermediate a fuel tank and vent to reduce fuel vapor emissions, particularly for a boat. More specifically, when fuel is used or cooled, pressure or vol... | 05/16/2006 |
| 6082183 | Test assembly for fluid tight integrity of pipeline joint An improved system for the non-destructive testing of the fluid tight integrity of an installed fluid transfer line such as a drain pipe or vent and wastewater system of a building. A removable test baffle is held in place between ends of adjacent section... | 07/04/2000 |
| 4449242 | Flexible, resilient anti-contamination baffle A flexible, resilient anti-contamination baffle having a plurality of interleaved sheets of material. The sheets of material are secured at one end thereof to a surface adjacent an opening to be sealed and have the capability of not only substantially pre... | 05/15/1984 |
| 4411286 | Liquid seal valve A liquid seal valve, intended in particlar to form part of an inert gas system for supplying inert gas to a storage tank in which liquid fuel may be stored, comprises a first vessel having a gas outlet therefrom, and a gas inlet pipe extending downwardly ... | 10/25/1983 |
| 4222405 | Pressure vacuum breaker Excess steam pressure is relieved by displacement of a column of water through a vertical conduit opening a path for escape of steam through a space normally occupied by the water which normally acts as a seal. Under reversed conditions, air enters when t... | 09/16/1980 |
| 4067351 | Hydraulic vent valve A hydraulic vent valve for use on ship cargo tanks is disclosed which is utilized to maintain a constant head of pressure or vacuum on containerized fluid and to provide leakproof isolation between the stored fluid and the atmosphere. The valve features a... | 01/10/1978 |
